20175278630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{9949}}^1$

素因数の和:10809

約数の個数: 64

約数和(自身を含む): 41221656000

約数和(自身を除く): 21046377370

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 821, 1235, 1642, 2470, 4105, 8210, 9949, 10673, 15599, 19898, 21346, 31198, 49745, 53365, 77995, 99490, 106730, 129337, 155990, 189031, 202787, 258674, 378062, 405574, 646685, 945155, 1013935, 1293370, 1890310, 2027870, 2457403, 4914806, 8168129, 12287015, 16336258, 24574030, 40840645, 81681290, 106185677, 155194451, 212371354, 310388902, 530928385, 775972255, 1061856770, 1551944510, 2017527863, 4035055726, 10087639315, 20175278630]

約数ペア:

[(1, 20175278630), (2, 10087639315), (5, 4035055726), (10, 2017527863), (13, 1551944510), (19, 1061856770), (26, 775972255), (38, 530928385), (65, 310388902), (95, 212371354), (130, 155194451), (190, 106185677), (247, 81681290), (494, 40840645), (821, 24574030), (1235, 16336258), (1642, 12287015), (2470, 8168129), (4105, 4914806), (8210, 2457403), (9949, 2027870), (10673, 1890310), (15599, 1293370), (19898, 1013935), (21346, 945155), (31198, 646685), (49745, 405574), (53365, 378062), (77995, 258674), (99490, 202787), (106730, 189031), (129337, 155990)]